The zoom ring can be locked to fix the lens at the shortest setting. The function is convenient for carrying a camera on a strap because it prevents the lens from extending.

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1. Turn the zoom ring to the widest position (70mm).
- The zoom ring can only be locked at the maximum wide angle.
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2. Slide the zoom ring lock level in the direction indicated by the arrow.
- To release the zoom ring, slide the zoom ring lock lever in the direction opposite to the arrow.
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